Fresh, raw bell peppers are mainly composed of water (92%). The rest is carbs and small amounts of protein and fat.

The main nutrients in 3.5 ounces (100 grams) of raw, red bell peppers are (1Trusted Source):

• Calories: 31

• Water: 92%

• Protein: 1 gram

• Carbs: 6 grams

• Sugar: 4.2 grams

• Fiber: 2.1 grams

• Fat: 0.3 grams